San Bruno Mountain State and County Park
E816520
San Bruno Mountain State and County Park is a large natural preserve in northern San Mateo County, California, known for its coastal scrub habitats, rare and endangered butterfly species, and extensive hiking trails with panoramic views of the San Francisco Bay Area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Bruno Mountain State and County Park canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T9709220 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Bruno Mountain State and County Park Context triple: [San Bruno Mountain, hasProtectedArea, San Bruno Mountain State and County Park]
-
A.
San Bruno City Park
San Bruno City Park is a community park in San Bruno, California, featuring open green spaces, sports facilities, and recreational amenities for local residents and visitors.
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B.
Briones Regional Park
Briones Regional Park is a large East Bay regional park in the hills of central Contra Costa County, California, known for its open grasslands, oak woodlands, and extensive hiking and equestrian trails.
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C.
Sonoma Valley Regional Park
Sonoma Valley Regional Park is a scenic public park in California’s wine country known for its hiking trails, oak woodlands, and views of the surrounding Sonoma Valley.
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D.
Black Hill Regional Park
Black Hill Regional Park is a large Montgomery County park in Clarksburg, Maryland, known for its extensive trails, Lake Seneca, and diverse outdoor recreation opportunities.
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E.
Mission Trails Regional Park
Mission Trails Regional Park is a large natural open-space preserve in San Diego known for its extensive hiking trails, rugged landscapes, and opportunities for outdoor recreation and wildlife viewing.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Bruno Mountain State and County Park Target entity description: San Bruno Mountain State and County Park is a large natural preserve in northern San Mateo County, California, known for its coastal scrub habitats, rare and endangered butterfly species, and extensive hiking trails with panoramic views of the San Francisco Bay Area.
-
A.
San Bruno City Park
San Bruno City Park is a community park in San Bruno, California, featuring open green spaces, sports facilities, and recreational amenities for local residents and visitors.
-
B.
Briones Regional Park
Briones Regional Park is a large East Bay regional park in the hills of central Contra Costa County, California, known for its open grasslands, oak woodlands, and extensive hiking and equestrian trails.
-
C.
Sonoma Valley Regional Park
Sonoma Valley Regional Park is a scenic public park in California’s wine country known for its hiking trails, oak woodlands, and views of the surrounding Sonoma Valley.
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D.
Black Hill Regional Park
Black Hill Regional Park is a large Montgomery County park in Clarksburg, Maryland, known for its extensive trails, Lake Seneca, and diverse outdoor recreation opportunities.
-
E.
Mission Trails Regional Park
Mission Trails Regional Park is a large natural open-space preserve in San Diego known for its extensive hiking trails, rugged landscapes, and opportunities for outdoor recreation and wildlife viewing.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
county park
ⓘ
natural preserve ⓘ state park ⓘ |
| climate | coastal Mediterranean climate ⓘ |
| hasAccessPoint |
Guadalupe Canyon Parkway entrances
NERFINISHED
ⓘ
Radio Road entrance ⓘ |
| hasActivity |
birdwatching
ⓘ
hiking ⓘ wildlife viewing ⓘ |
| hasConservationFocus |
butterfly habitat protection
ⓘ
coastal scrub preservation ⓘ |
| hasEcosystemType |
chaparral
ⓘ
coastal scrub ⓘ grassland ⓘ |
| hasFauna |
San Bruno elfin butterfly
ⓘ
callippe silverspot butterfly NERFINISHED ⓘ mission blue butterfly NERFINISHED ⓘ |
| hasFeature | radio and television transmission towers on the summit area ⓘ |
| hasFlora | coastal scrub vegetation ⓘ |
| hasRecreationFacility |
parking areas
ⓘ
picnic areas ⓘ |
| hasRegulation | dogs allowed on leash in designated areas ⓘ |
| hasTopographicFeature |
canyons
ⓘ
ridge ⓘ slopes ⓘ |
| hasTrailType |
fire roads
ⓘ
loop trails ⓘ ridge trails ⓘ |
| hasViewOf |
Pacific Ocean
ⓘ
San Bruno Mountain ridgeline NERFINISHED ⓘ |
| knownFor |
endangered butterfly species
ⓘ
hiking trails ⓘ panoramic views of the San Francisco Bay Area ⓘ rare butterfly species ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Mateo County, California ⓘ United States of America ⓘ
surface form:
United States
|
| managedBy | San Mateo County Parks Department NERFINISHED ⓘ |
| near |
Brisbane, California
NERFINISHED
ⓘ
Daly City, California NERFINISHED ⓘ San Francisco NERFINISHED ⓘ South San Francisco, California NERFINISHED ⓘ |
| occupies | San Bruno Mountain NERFINISHED ⓘ |
| overlooks |
San Francisco Bay
NERFINISHED
ⓘ
San Francisco skyline ⓘ South San Francisco industrial area ⓘ |
| partOf | San Francisco Bay Area ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: San Bruno Mountain State and County Park Description of subject: San Bruno Mountain State and County Park is a large natural preserve in northern San Mateo County, California, known for its coastal scrub habitats, rare and endangered butterfly species, and extensive hiking trails with panoramic views of the San Francisco Bay Area.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Brisbane, California